How do I measure the height of a baobab?


Have just returned from a truly inspiring research trip on Quilalea Island where I studied and reported on 56 Baobab trees. One of the many measurements I do is to measure the height of a baobab. It's a question I'm often asked: how does a short person like me manage this?  Well, I don't climb the tree with an extremely long tape measure as has been suggested!

I use a clever little device called a clinometer. I stand exactly 15m away from the tree and look up through the clinometer to the top of the tree, the clinometers calculates the height of the tree by using 1) the distance from me to the tree (15m) and 2) the angle from me to the top of the tree – its basic trigonometree!
 

Continue reading....

Find more interesting articles below

Monitoring with baobab harvesters

Monitoring with baobab harvesters

Last week I did my annual baobab fruit monitoring trip where I gather research information on a spcecific population of 40 baobab trees.  This year I am looking at how much fruit each tree produces each year and how that varies from season to season and between land use types.  Usually I have a field assistant whom I […]

Read more
Mandela: an icon of Africa for the world

Mandela: an icon of Africa for the world

Madiba's unmistakable stature as statesman, leader and human being made him visible in a way that made it possible for all to see. May his moral example be as long lived as the Baobab tree, may the memory of his wisdom serve, and be the same shade under which people have gathered in community for generations to draw inspiration for the way forward. […]

Read more
The seasons of baobab trees

The seasons of baobab trees

Here, talented photographer Vanessa Bristow shares some of her photographs of Baobabs taken at Sentinel Ranch in Zimbabwe.  We’ll be featuring more of her stunning photographs during the week.

Read more